2. Episode 4

The celebrities competing for the Pointless trophy are Iwan Thomas MBE, Perri Shakes-Drayton, Christian Malcolm, Dwain Chambers, Aatif Nawaz, Chris Hughes, Lucy Spraggan and Katie Piper OBE.

3. Sports Special

Vanessa Bauer, Beth Tweddle MBE, Anita Asante, William Bayley MBE, Jack Laugher MBE, Ellie Robinson MBE, Sarah Hunter MBE and Ugo Monye compete to be the strongest link.

4. Episode 6

The celebrities aiming to lift the Pointless trophy are Rosie Jones, Suzi Ruffell, Anjli Mohindra, Meera Syal, Kye Whyte, Dan Powell, Mark Stacey and Catherine Southon.

5. Episode 7

The celebrities aiming to lift the Pointless trophy are Curtis Pritchard, AJ Pritchard, Tom Malone, Karim Zeroual, Shanaze Reade, Oli Bell, Fern Brady and Alison Spittle.

6. Episode 8

The celebrities aiming to lift the Pointless trophy are James Jordan, Gemma Collins, Brian McFadden, Ionica Adriana, Melvin Odoom, Hayley Hasselhoff, Charlie Hedges and Melinda Messenger.

7. Episode 9

The celebrities aiming to lift the Pointless trophy are Charlene White, Fern Britton, Chloe Madeley, James Haskell, Crystelle Pereira, Kwoklyn Wan, Phil Wang and Pierre Novellie.

8. Episode 10

The celebrities aiming to lift the Pointless trophy are Matt Evers, Patsy Palmer, Marky Luther, Meesh Ven, Naomi Wilkinson, Steve Backshall, Katie Zelem and Mary Earps.

9. Episode 11

The celebrities aiming to lift the Pointless trophy are Charlie Baker, Nathan Caton, Gordon Buchanan, Michaela Strachan, Priya Gopaldas, Dr Hilary Jones MBE, Kate Lawler and Saffron Barker.

10. Episode 12

The celebrities aiming to lift the Pointless trophy are JJ Chalmers, Jeanette Kwakye MBE, Gareth Locke, Ollie Locke, Josh Jones, Fatiha El-Ghorri, Georgie Barrat and Josie d'Arby.

11. Episode 13

The celebrities aiming to lift the Pointless trophy are Eva Fontaine, Nigel Boyle, Tom Basden, Tim Key, Natalie O'Leary, Dev Griffin, Milly Zero and Natalie Anderson.

12. Episode 14

A celebrity special edition featuring Clare Balding, Alice Arnold, Blu Hydrangea, Ella Vaday, Charlie Ross, Christina Trevanion, Evelyn Mok and Emmanuel Sonubi.

13. Comedy Special

The celebrities aiming to lift the Pointless trophy are Geoff Norcott, Danny John-Jules, Ninia Benjamin, Ed Byrne, Olivia Lee, Kerry Howard, Clair Buckley and James Buckley.

14. Episode 16

The celebrities aiming to lift the Pointless trophy are Jess Robinson, Danny Beard, Esther Manito, Rich Hall, Jane Hill, Ben Boulos, Wynne Evans and Joanna Page.

15. Episode 17

The celebrities aiming to lift the Pointless trophy are Laura Jackson, Kirsten O'Brien, Davood Ghadami, James Bye, Jamie O'Hara, Jermaine Beckford, Nicola Dempsey and Rosie Dempsey.

16. Episode 18

The celebrities aiming to lift the Pointless trophy are Harriet Kemsley, Bobby Mair, Penny Smith, Bonnie Langford, Adam Gemili, Alice Tai MBE, Ricky Groves and Balvinder Sopal.

17. Radio Special

The celebrities aiming to lift the Pointless trophy are Fee Mak, DJ Spoony, Matt Chorley, Mariella Frostrup, Zoe Hardman, Ali Plumb, Johnny Cochrane and Inel Tomlinson.

18. 2,000th Episode

Suzie Lee, Shaun Williamson, Phil Tufnell, Steve Pemberton, Kelli Young, Helen Lederer, Charlie Higson and Cariad Lloyd try to come up with the answers no-one else could think.

19. Episode 21

The celebrities aiming to lift the Pointless trophy are Kéllé Bryan, Kimberly Wyatt, Shazia Mirza, Thanyia Moore, Ollie Proudlock, Caspar Lee, Louisa Lytton and Danielle Harold.

20. Episode 22

The celebrities aiming to lift the Pointless trophy are Jess Robinson, Danny Beard, Esther Manito, Rich Hall, Jane Hill, Ben Boulos, Wynne Evans and Joanna Page.